1971 Alfa Romeo Spider vs. 2004 GMC Sierra
To start off, 2004 GMC Sierra is newer by 33 year(s). Which means there will be less support and parts availability for 1971 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1971 Alfa Romeo Spider would be higher. At 5,963 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (325 HP) has 194 more horse power than 1971 Alfa Romeo Spider. (131 HP) In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1971 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 1234 kg more than 1971 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1971 Alfa Romeo Spider. In wet, icy, snow, or gravel driving conditions, 2004 GMC Sierra will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2004 GMC Sierra (502 Nm) has 312 more torque (in Nm) than 1971 Alfa Romeo Spider. (190 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1971 Alfa Romeo Spider.
Compare all specifications:
| 1971 Alfa Romeo Spider | 2004 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | Spider | Sierra |
| Year Released | 1971 | 2004 |
| Body Type | Roadster | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1962 cc | 5963 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 131 HP | 325 HP |
| Torque | 190 Nm | 502 Nm |
| Engine Bore Size | 84 mm | 102 mm |
| Engine Stroke Size | 88.5 mm | 92 mm |
| Engine Compression Ratio | 9.0:1 | 9.4:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1040 kg | 2274 kg |
| Vehicle Length | 4130 mm | 5790 mm |
| Vehicle Width | 1640 mm | 2130 mm |
| Vehicle Height | 1300 mm | 1880 mm |
| Wheelbase Size | 2260 mm | 3650 mm |
